Examples of org.eclipse.persistence.jpa.jpql.tools.spi.IMapping

Package org.eclipse.persistence.jpa.jpql.tools.spi

Examples of org.eclipse.persistence.jpa.jpql.tools.spi.IMapping

org.eclipse.persistence.jpa.jpql.tools.spi.IMapping
The external representation of a mapping, which represents a single persistence property of a managed type.
Provisional API: This interface is part of an interim API that is still under development and expected to change significantly before reaching stability. It is available at this early stage to solicit feedback from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken (repeatedly) as the API evolves. @see IManagedType @version 2.4 @since 2.3 @author Pascal Filion

        else if (managedType != null) {


          String path = getItem(index);


          // Cache the mapping
          IMapping mapping = managedType.getMappingNamed(path);
          mappings.add(mapping);


          // Continue by retrieving the managed type
          if (mapping != null) {
            managedType = provider.getManagedType(mapping.getType());
          }
          else {
            managedType = null;
          }
        }

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   * {@inheritDoc}
   */
  @Override
  protected IManagedType resolveManagedType() {


    IMapping mapping = getMapping();


    if (mapping == null) {
      return null;
    }


    TypeHelper typeHelper = getTypeHelper();
    ITypeDeclaration typeDeclaration = mapping.getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // Collection type cannot be traversed
    // Example: SELECT e.employees. FROM Employee e where employees is a collection,
    // it cannot be traversed

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    if (relationshipMapping == null) {
      return null;
    }


    IMapping mapping = (IMapping) relationshipMapping;
    return mapping.getParent().getProvider().getManagedType(mapping.getType());
  }

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        if (childResolver == null) {
          childResolver = new StateFieldResolver(resolver, path);
          resolver.addChild(path, childResolver);
        }


        IMapping mapping = childResolver.getMapping();


        // Invalid path expression
        if (mapping == null) {
          break;
        }


        // The name matches
        if (mapping.getName().equals(oldAttributeName)) {


          // Make sure the field name is from the right type
          String parentTypeName = mapping.getParent().getType().getName();


          if (parentTypeName.equals(typeName)) {
            int extraOffset = expression.toParsedText(0, index).length() + 1 /* '.' */;
            addTextEdit(expression, extraOffset, oldAttributeName, newAttributeName);
            break;

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        appendable = !conditionalExpression;
      }
      else {


        // Resolve the mapping so we can determine what is valid based on its type
        IMapping mapping = queryContext.getMapping(expression);


        if (mapping == null) {
          appendable = false;
        }
        else {
          IType type = mapping.getType();


          switch (appendableType) {
            case ARITHMETIC: {
              // e.name (String) cannot be followed by +,-,/,*
              // e.age (int) can be followed by an arithmetic operator

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        if (childResolver == null) {
          childResolver = new StateFieldResolver(resolver, path);
          resolver.addChild(path, childResolver);
        }


        IMapping mapping = childResolver.getMapping();


        // Invalid path expression
        if (mapping == null) {
          break;
        }


        // The name matches
        if (mapping.getName().equals(oldAttributeName)) {


          // Make sure the field name is from the right type
          String parentTypeName = mapping.getParent().getType().getName();


          if (parentTypeName.equals(typeName)) {
            int extraOffset = expression.toParsedText(0, index).length() + 1 /* '.' */;
            addTextEdit(expression, extraOffset, oldAttributeName, newAttributeName);
            break;

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    /**
     * {@inheritDoc}
     */
    public int getMappingType() {
      IMapping mapping = resolver.getMapping();
      return (mapping != null) ? mapping.getMappingType() : IMappingType.TRANSIENT;
    }

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    /**
     * {@inheritDoc}
     */
    public boolean isCollection() {
      IMapping mapping = resolver.getMapping();
      return (mapping != null) ? mapping.isCollection() : false;
    }

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    /**
     * {@inheritDoc}
     */
    public boolean isProperty() {
      IMapping mapping = resolver.getMapping();
      return (mapping != null) ? mapping.isProperty() : (mappingType == MappingType.PROPERTY);
    }

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    /**
     * {@inheritDoc}
     */
    public boolean isRelationship() {
      IMapping mapping = resolver.getMapping();
      return (mapping != null) ? mapping.isRelationship() : (mappingType == MappingType.RELATIONSHIP);
    }

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Related Classes of org.eclipse.persistence.jpa.jpql.tools.spi.IMapping

org.eclipse.persistence.jpa.jpql.tools.AbstractContentAssistVisitor$AppendableExpressionVisitor

org.eclipse.persistence.jpa.jpql.tools.BasicRefactoringTool$AttributeNameRenamer

org.eclipse.persistence.jpa.jpql.tools.GenericSemanticValidatorHelper

org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractPathExpressionStateObject

org.eclipse.persistence.jpa.jpql.tools.model.query.CollectionValuedPathExpressionStateObject

org.eclipse.persistence.jpa.jpql.tools.model.query.StateFieldPathExpressionStateObject

org.eclipse.persistence.jpa.jpql.tools.RefactoringTool$FieldNameRenamer

org.eclipse.persistence.jpa.jpql.tools.resolver.AbstractPathResolver

org.eclipse.persistence.jpa.jpql.tools.resolver.DeclarationResolver

org.eclipse.persistence.jpa.jpql.tools.resolver.FromSubqueryResolver$VirtualMapping

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